Corkwood

n.
  1. The wood of the cork oak.
  2. Any one of several trees or shrubs having light or corky wood;
    1. In the United States, the tree Leitneria floridana, a very small deciduous dioecious tree or shrub of damp habitats in the southeastern US having extremely light wood; -- called also the corkwood tree.
    2. In the West Indies: (1) Either of the cotton trees Ochroma lagopus and Pariti tiliaceum.